4efte Starlet FUEL PROBLEM HELP!!!!

[KTS]

Here ill try n explain d situation i do all d work on d car myself (built n servire d engine) so dont have a very reliable or starlet experience mechanic.
This is goin to be long so apolgising in advance........................

got a toyota 5efthe stock turbo with apexi safc1 tunes with a wideband o2 sensor in an ep82 starlet gt

car was working good idle fuel pressure ~36psi
changed the headgasket n put in 4agze low imp injectors wit resistors
car worked good lots of black smoke (cool so its getting fuel)
went to tune n realise car runnin lean above 4k rpm
changed d fuel pump to a walbro 255lph
pump was excessivily noisy n continued to run lean above 4k rpm

changed - regulator, injectors n back to stock wirin, fuel rail, fuel filter, fuel pump again (s15 sr20det), tps, ecu, checked map sensor wirin, retuned, coil, distributor, spark plugs (ngk iridium 7), plug wires, checked timin, disconnected apexi safc, checked for ecu codes n only gettin d normal ststus code,

car drives normal once not in boost as soon as it enteres boost it starts to buck n run lean so drivin d car slower dan granny

i check d spark plugs after each drive they r black so it gettin fuel but if i boost it the problem exist.

please ne help will be greately apprciated dont know wat to do i believe i tried every ting. goin to check d cam timin maybe d intake cam is slightly off need to take off d tappet cover to check.
wat u guys tink?

khaaliq 684-7165
i will return ur call not to waste your money so if u know wat it mite be or hav a suggestion send me a text n ill call back.
khaaliqrazac@hotmail.com
located in st. james.

[33 hertz]

My car was doing the same thing, after a few hours of digging up i realised that there was no vaccum line going to the FPR so the pressure was not rising when i went into boost, causing the car to run rich below 5 psi and break up above that.

[KTS]

wel d car is not runnin rich, d only way im gettin it to run rich/stoich is by settin d safc to +50% at all rpm.
checked n changed d fpr vac line n it stil does it.
ne other suggestions
thanks 33 hertz

[KTS]

Changed a few other items n still got d problem

CHANGED-
1) installed an aftermarket (new) fpr n raised fuel pressure to ~48psi
2) ran a direct power supply for d fuel pump
3) ran a direct fuel supply line from d tank to d engine
3) my sanity, patience n wash down d car
5) rubber fuel lines in engine bay

tink ill change d intanke fuel filter
car is runnin on minimum boost on a dead actuator ~ 4-5psi or less
car back fires once i shift gears, but has d problem even if goin up or down hills

wat u ppl tink i fedup hear my friends say throw away d engine n put in a SR20 its bout time i f dem up

MUST HAVE BOOST!!!!!!!!!!

HELP ME BOOST AGAIN!!!!!!!!!!!!!!

[dry]

[megadoc1]

so u aint cange back to old injectors to see?
or put larger injectors ?

[KTS]

dry wat u laughin n smilin at it better not b bout d sr20

had d problem a while after installed larger injectors so i changed back to stock n den changed d stock injectors n fuel rail again

[halfbreed]

my mech rebuilt one of those engines just recently and its performing quite well.
he's located in tunapuna, rishi is the name. call him at 765-7476 tell him the tuner with the black cefiro referred u to him. i'm positive he can help u.

he's young but he knows his stuff. good luck!

[KTS]

tanks man will cal tom
ne other suggestions

[halfbreed]

did u call him? if u didn't i'll be convinced u're not serious about getting ur car fixed properly....

[KTS]

did u call him? if u didn't i'll be convinced u're not serious about getting ur car fixed properly....

yeah i called him tryin to c if i can pass by him tom or soon den we'll organise if n wen to leave d car

[KTS]

i feel like its time to give up time to just drive d car pingin away til it goes kaboom!

[xtech]

http://hardcore.ep91.com/engine_menu.html <4E Turbo Tips
http://hardcore.ep91.com/engine_menu2.html <5E Turbo Tips

Plenty easy to understand info here you will need to install Adobe Shockwave player to view info first.

http://get.adobe.com/shockwave/

If you using the stock exhaust manifold you could experience this problem the extra 200cc of displacement over whelms the already restricted manifold.

This site is very informative read it.

http://www.wheelsjamaicahost.com/wheels ... ic=57131.0
^^^^^^ a guy from Guyana who was experiencing your exact problem. Lots of advice from fellow Starlet tuners but was fixed on page 4 when he used 4EFTE low compression pistons

[VexXx Dogg]

any damaged hoses that can cause this?

[KTS]

got it fixed it was d intank fuel filter thanks alot ppl who offered help was goin crazy.
still need to get an in tank fuel filter usin d car rite now wit d pump in a panty hose $8.99 fix from superfarm valpark

BOOST!!!!

[megadoc1]

wow

[A172]

got it fixed it was d intank fuel filter thanks alot ppl who offered help was goin crazy.
still need to get an in tank fuel filter usin d car rite now wit d pump in a panty hose $8.99 fix from superfarm valpark

BOOST!!!!

wait...wait....u didn't think to check the fuel filter as one of the possibilities first?

In any case, good to know man....know u were under some stress there.

[Keyser Soze]

You should put resolved in the topic....

[KTS]

A172-thanks man it boostin again!! did chek it cleaned it out very much but i guess while it was in d tank it clogged back up


Keyser Soze-not quit resolved its still loosin fuel pressure under boost even wit d rrfpr line removed but it not runnin too lean to drive just not runnin rich enough..plugs r a lithish brown

[gt4tified]

KTS, how much pressure are you using under boost? What fpr are you using? Maybe you need to bump up your base pressure by about 2psi.

[KTS]

bout 45psi at idle wit vac reference line disconnected n stil losin pressure under boost goin to pull out d pump tom n make sure d pantyhose ok n mayb try d walbro again if doesnt work wil clamp d fpr return line. fpr is d cheap type d blue ones wit d gauge i think its megan or megan replica more likely i tink but brand new bout 3 weeks old